How to Clean Steel Scuba Tanks

Scuba tanks, or scuba cylinders, are constructed of aluminum or steel. Aluminum is a popular choice because it weighs and costs less. Aluminum is also more buoyant than steel and is a better choice if you dive in warm waters. However, steel tanks last much longer than the easily damaged aluminum ones and because they are heavier than aluminum, a lighter weight belt is needed when diving in cold water. Steel is prone to rust and therefore a steel tank must be properly cared for to ensure its longevity.

Things You'll Need

  • Steel scuba tank
  • Warm water
  • Mild detergent
  • Bucket
  • 2 soft rags
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Instructions

    • 1

      Rinse the scuba tank with fresh water. If your tank has a boot, remove it and rinse the tank and boot completely.

    • 2

      Fill the bucket with a small amount of detergent and enough water to wash the tank. A teaspoon of detergent and half gallon of warm water is plenty for a few tanks.

    • 3

      Dip the rag in the soapy water and go over the entire tank. Re-wet the rag as needed to thoroughly clean all surfaces of the tank. Clean the boot as well if your tank has one.

    • 4

      Rinse the tank and boot with fresh water. Wipe down the tank with a dry rag. Allow the tank to dry completely.

    • 5

      Inspect your tank for any rust spots or dents. If you find any damage or area of rust on your tank, take it in for inspection to your local dive shop. They will evaluate how deep the rust is and recommend solutions.